im trying to install openjdk-8-jdk as suggested here with the command: sudo apt-get install openjdk-8-jdk but apt dosnt find the package. i did find it at packages.debian.org manualy and tried t...

In this question (Adding items to a JComboBox) it is described how an Item can be added to a JComboBox. This would allow to store an Object in a JComboBox, and overriding the toString() metho...